Serie includes 20 albums .
Karen-chan TU HoBetsu desu!
Mekakushi Fella & Insei
無防備なカレンちゃんにすごいHなことをするだけ!
Karen-chan to Mosaic! + WORKSLOG iroiro 2016 |카렌쨩과 모자이크!+
日英同盟。
Karen-chan TU Owake desu!
Kankinpatsu!!
Souchaku Naru Twintail
Toumei Ninngenn ni Natte Karen-chan ni Sugoi Ecchi na Itazura wo Simakuru Dake! Kai
Yuriiro One Night